1 code implementation • 8 Feb 2023 • Zhongxin Liu, Zhijie Tang, Xin Xia, Xiaohu Yang
To fill this gap, this work proposes a novel Code Change Representation learning approach named CCRep, which can learn to encode code changes as feature vectors for diverse downstream tasks.
no code implementations • 22 Feb 2021 • Zhiyuan Wan, Xin Xia, David Lo, Jiachi Chen, Xiapu Luo, Xiaohu Yang
Given numerous research efforts in addressing the security issues of smart contracts, we wondered how software practitioners build security into smart contracts in practice.
Software Engineering
no code implementations • 25 Jun 2020 • Chao Liu, Cuiyun Gao, Xin Xia, David Lo, John Grundy, Xiaohu Yang
Experimental results show the importance of replicability and reproducibility, where the reported performance of a DL model could not be replicated for an unstable optimization process.
2 code implementations • 11 Mar 2020 • Yangyao Chen, H. J. Mo, Cheng Li, Huiyuan Wang, Xiaohu Yang, Youcai Zhang, Kai Wang
Using decision trees built with the random ensemble method, we find that the correlation between halo concentration and assembly history is tight: more than 60% of the variance in halo concentration can be explained by assembly history alone.
Astrophysics of Galaxies Cosmology and Nongalactic Astrophysics